单项选择题

He felt helpless in a situation ______ he could not move himself.

A．where
B．which
C．that
D．while
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单项选择题
A．as wellB．and as wellC．as well asD．and as well as
A．as well
B．and as well
C．as well as
D．and as well as
单项选择题
A．in whichB．of whichC．in thatD．of that
A．in which
B．of which
C．in that
D．of that
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